Added in API level 1
Deprecated in API level 22

SSLSocketFactory

open class SSLSocketFactory : LayeredSocketFactory

kotlin.Any
↳	org.apache.http.conn.ssl.SSLSocketFactory

Layered socket factory for TLS/SSL connections, based on JSSE. .

SSLSocketFactory can be used to validate the identity of the HTTPS server against a list of trusted certificates and to authenticate to the HTTPS server using a private key.

SSLSocketFactory will enable server authentication when supplied with a truststore file containg one or several trusted certificates. The client secure socket will reject the connection during the SSL session handshake if the target HTTPS server attempts to authenticate itself with a non-trusted certificate.

Use JDK keytool utility to import a trusted certificate and generate a truststore file:

keytool -import -alias "my server cert" -file server.crt -keystore my.truststore

SSLSocketFactory will enable client authentication when supplied with a keystore file containg a private key/public certificate pair. The client secure socket will use the private key to authenticate itself to the target HTTPS server during the SSL session handshake if requested to do so by the server. The target HTTPS server will in its turn verify the certificate presented by the client in order to establish client's authenticity

Use the following sequence of actions to generate a keystore file

Use JDK keytool utility to generate a new key
```
keytool -genkey -v -alias "my client key" -validity 365 -keystore my.keystore
```
For simplicity use the same password for the key as that of the keystore

Issue a certificate signing request (CSR)

keytool -certreq -alias "my client key" -file mycertreq.csr -keystore my.keystore

Send the certificate request to the trusted Certificate Authority for signature. One may choose to act as their own CA and sign the certificate request using a PKI tool, such as OpenSSL.

Import the trusted CA root certificate

keytool -import -alias "my trusted ca" -file caroot.crt -keystore my.keystore

Import the PKCS#7 file containg the complete certificate chain

keytool -import -alias "my client key" -file mycert.p7 -keystore my.keystore

Verify the content the resultant keystore file
```
keytool -list -v -keystore my.keystore
```

Summary

Constants
static String	`SSL`
static String	`SSLV2`
static String	`TLS`

Public constructors
`SSLSocketFactory(algorithm: String!, keystore: KeyStore!, keystorePassword: String!, truststore: KeyStore!, random: SecureRandom!, nameResolver: HostNameResolver!)`
`SSLSocketFactory(truststore: KeyStore!)`
`SSLSocketFactory(keystore: KeyStore!, keystorePassword: String!)`
`SSLSocketFactory(keystore: KeyStore!, keystorePassword: String!, truststore: KeyStore!)`

Public methods
open Socket!	`connectSocket(sock: Socket!, host: String!, port: Int, localAddress: InetAddress!, localPort: Int, params: HttpParams!)`
open Socket!	`createSocket()`
open Socket!	`createSocket(socket: Socket!, host: String!, port: Int, autoClose: Boolean)`
open X509HostnameVerifier!	`getHostnameVerifier()`
open static SSLSocketFactory!	`getSocketFactory()` Gets an singleton instance of the SSLProtocolSocketFactory.
open Boolean	`isSecure(sock: Socket!)` Checks whether a socket connection is secure.
open Unit	`setHostnameVerifier(hostnameVerifier: X509HostnameVerifier!)`

Properties
static X509HostnameVerifier!	`ALLOW_ALL_HOSTNAME_VERIFIER`
static X509HostnameVerifier!	`BROWSER_COMPATIBLE_HOSTNAME_VERIFIER`
static X509HostnameVerifier!	`STRICT_HOSTNAME_VERIFIER`

Parameters
`sock`	Socket!: the socket to connect, as obtained from `createSocket`. `null` indicates that a new socket should be created and connected.
`host`	String!: the host to connect to
`port`	Int: the port to connect to on the host
`localAddress`	InetAddress!: the local address to bind the socket to, or `null` for any
`localPort`	Int: the port on the local machine, 0 or a negative number for any
`params`	HttpParams!: additional `parameters` for connecting

Exceptions
`java.io.IOException`	if an I/O error occurs
`java.net.UnknownHostException`	if the IP address of the target host can not be determined
`org.apache.http.conn.ConnectTimeoutException`	if the socket cannot be connected within the time limit defined in the `params`

Parameters
`socket`	Socket!: the existing socket
`host`	String!: the host name/IP
`port`	Int: the port on the host
`autoClose`	Boolean: a flag for closing the underling socket when the created socket is closed

Exceptions
`java.io.IOException`	if an I/O error occurs while creating the socket
`java.net.UnknownHostException`	if the IP address of the host cannot be determined

SSLSocketFactory

Summary

Constants

SSL

SSLV2

TLS

Public constructors